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Re: does zlib really need to build multilib?

From: Paolo Bonzini <paolo dot bonzini at lu dot unisi dot ch>
To: Jack Howarth <howarth at bromo dot msbb dot uc dot edu>, GCC Development <gcc at gcc dot gnu dot org>
Date: Fri, 29 Dec 2006 11:08:55 +0100
Subject: Re: does zlib really need to build multilib?
References: <20061228150031.GA23606@bromo.msbb.uc.edu>

Jack Howarth wrote:

   I noticed that in gcc trunk and gcc 4.2 branch
that multilib builds of zlib occur. Does gcc
actually use the multlib zlib?

Not for the host zlib.

For instance on
x86_64 linux does the 32-bit zlib get used or on
Darwin does the 64-bit zlib get used? We are
considering using the --with-system-zlib option
when building gcc 4.2 but MacOS X 10.4 and earlier
lacks a 64-bit zlib support library. Thanks in
advance for any clarifications.

If you want to prepare a patch to pass --disable-multilib in the host configure arguments, and test it adequately, I'll be happy to review it.

Paolo

References:
- does zlib really need to build multilib?
  - From: Jack Howarth

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